九九乘法表
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>九九乘法表</title> </head> <body> <table border="1" cellpadding="0" cellspacing="0" class="tableStyle"> <caption> <h1>九九乘法表</h1> </caption> <?php for ($a=1; $a<10; $a++) //1层循环 { echo("<tr>"); for ($b=1; $b<=$a; $b++) { //2层循环控制1层循环输出 echo("<td>"); echo "$a * $b =".$a * $b; //输出结果 echo("</td>"); } echo("</tr>"); } ?> </table> </body> </html>